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@@ -148,7 +148,9 @@ tor_addr_make_af_unix(tor_addr_t *a)
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}
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/** Set the tor_addr_t in <b>a</b> to contain the socket address contained in
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- * <b>sa</b>. Return 0 on success and -1 on failure. */
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+ * <b>sa</b>. IF <b>port_out</b> is non-NULL and <b>sa</b> contains a port,
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+ * set *<b>port_out</b> to that port. Return 0 on success and -1 on
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+ * failure. */
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int
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tor_addr_from_sockaddr(tor_addr_t *a, const struct sockaddr *sa,
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uint16_t *port_out)
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